:root {
      --bg: #fff8e8;
      --bg-soft: #fffdf6;
      --card: #ffffff;
      --cream: #ffe7a8;
      --cheese: #ffd25f;
      --honey: #f5b942;
      --brown: #513b25;
      --text: #2f2a24;
      --muted: #71675d;
      --line: #f0dfbd;
      --green: #6f8f5f;
      --shadow: 0 18px 50px rgba(121, 86, 35, 0.13);
      --radius-lg: 28px;
      --radius-md: 18px;
      --container: 1120px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 8% 8%, rgba(255, 210, 95, 0.32), transparent 28%),
        radial-gradient(circle at 88% 18%, rgba(255, 231, 168, 0.55), transparent 30%),
        linear-gradient(180deg, #fff8e8 0%, #fffdf6 46%, #fff8e8 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .container {
      width: min(100% - 32px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(255, 248, 232, 0.88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(240, 223, 189, 0.78);
    }

    .nav {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      color: var(--brown);
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, #ffd25f, #fff0ba);
      color: #4c341b;
      box-shadow: 0 10px 24px rgba(245, 185, 66, 0.32);
      font-size: 22px;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.25;
    }

    .brand-text small {
      font-size: 12px;
      color: var(--muted);
      font-weight: 600;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 8px;
      margin-left: auto;
    }

    .nav-links a {
      padding: 9px 12px;
      border-radius: 999px;
      color: #594835;
      font-size: 14px;
      font-weight: 650;
      transition: background 0.2s ease, transform 0.2s ease;
    }

    .nav-links a:hover {
      background: rgba(255, 210, 95, 0.28);
      transform: translateY(-1px);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 10px 18px;
      border-radius: 999px;
      background: #513b25;
      color: #fff8e8;
      font-weight: 800;
      box-shadow: 0 12px 28px rgba(81, 59, 37, 0.18);
      white-space: nowrap;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(81, 59, 37, 0.24);
    }

    .menu-toggle {
      display: none;
      border: 0;
      background: #fff4d1;
      color: var(--brown);
      width: 44px;
      height: 44px;
      border-radius: 14px;
      font-size: 22px;
      cursor: pointer;
    }

    main {
      position: relative;
    }

    .hero {
      padding: 54px 0 34px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
      gap: 34px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 13px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.72);
      color: #73552c;
      font-size: 14px;
      font-weight: 700;
      box-shadow: 0 10px 24px rgba(245, 185, 66, 0.1);
    }

    .eyebrow::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 0 5px rgba(111, 143, 95, 0.14);
    }

    h1 {
      margin: 18px 0 16px;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.08;
      letter-spacing: -0.04em;
      color: var(--brown);
    }

    .lead {
      margin: 0;
      max-width: 680px;
      color: #5f5448;
      font-size: clamp(16px, 2vw, 19px);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 26px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 12px 20px;
      border-radius: 15px;
      font-weight: 800;
      border: 1px solid transparent;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
      cursor: pointer;
      touch-action: manipulation;
    }

    .btn-primary {
      background: linear-gradient(135deg, #513b25, #76532f);
      color: #fffaf0;
      box-shadow: 0 15px 32px rgba(81, 59, 37, 0.22);
    }

    .btn-primary:hover,
    .btn-secondary:hover {
      transform: translateY(-2px);
    }

    .btn-secondary {
      background: #fffef8;
      color: var(--brown);
      border-color: var(--line);
      box-shadow: 0 12px 28px rgba(121, 86, 35, 0.08);
    }

    .hero-note {
      margin-top: 22px;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 650px;
    }

    .note-pill {
      padding: 12px 14px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.68);
      border: 1px solid var(--line);
      color: #5b4936;
      font-size: 14px;
      font-weight: 700;
    }

    .hero-card {
      position: relative;
      padding: 18px;
      border-radius: 34px;
      background: linear-gradient(145deg, rgba(255, 255, 255, 0.86), rgba(255, 238, 190, 0.7));
      border: 1px solid rgba(240, 223, 189, 0.95);
      box-shadow: var(--shadow);
      overflow: hidden;
      animation: floatIn 0.8s ease both;
    }

    .hero-card::before {
      content: "";
      position: absolute;
      width: 180px;
      height: 180px;
      right: -70px;
      top: -70px;
      border-radius: 50%;
      background: rgba(255, 210, 95, 0.4);
    }

    .phone-frame {
      position: relative;
      z-index: 1;
      border-radius: 26px;
      overflow: hidden;
      background: #fff9ec;
      border: 1px solid rgba(240, 223, 189, 0.88);
    }

    .phone-frame img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: contain;
      background: #fff8e8;
      padding: 8px;
    }

    .quick-card {
      position: relative;
      z-index: 1;
      margin-top: 14px;
      padding: 18px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(240, 223, 189, 0.9);
    }

    .quick-card strong {
      display: block;
      color: var(--brown);
      font-size: 18px;
      margin-bottom: 8px;
    }

    .quick-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .section {
      padding: 42px 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 22px;
      margin-bottom: 22px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.2;
      color: var(--brown);
      letter-spacing: -0.03em;
    }

    .section-desc {
      margin: 8px 0 0;
      color: var(--muted);
      max-width: 650px;
    }

    .toc {
      display: grid;
      grid-template-columns: repeat(6, minmax(0, 1fr));
      gap: 10px;
      padding: 14px;
      border-radius: 24px;
      background: rgba(255, 255, 255, 0.76);
      border: 1px solid var(--line);
      box-shadow: 0 12px 34px rgba(121, 86, 35, 0.08);
    }

    .toc a {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 10px;
      border-radius: 16px;
      background: #fff8e8;
      color: #60472d;
      font-weight: 800;
      font-size: 14px;
      transition: transform 0.2s ease, background 0.2s ease;
    }

    .toc a:hover {
      transform: translateY(-2px);
      background: #ffe7a8;
    }

    .answer-panel {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
      gap: 20px;
      align-items: stretch;
    }

    .answer-main {
      padding: 28px;
      border-radius: var(--radius-lg);
      background: #fffef8;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .answer-main h2,
    .answer-side h3 {
      margin-top: 0;
      color: var(--brown);
    }

    .answer-main p {
      margin: 0 0 14px;
      color: #5e5144;
    }

    .soft-warning {
      padding: 16px 18px;
      border-radius: 18px;
      background: #fff0ba;
      color: #5a3f1f;
      font-weight: 750;
      border: 1px solid #f1d17b;
    }

    .answer-side {
      padding: 24px;
      border-radius: var(--radius-lg);
      background: linear-gradient(150deg, #fff4d1, #ffffff);
      border: 1px solid var(--line);
    }

    .step-list {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .step-list li {
      display: grid;
      grid-template-columns: 38px minmax(0, 1fr);
      gap: 12px;
      align-items: start;
      padding: 14px;
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid rgba(240, 223, 189, 0.78);
    }

    .step-index {
      width: 38px;
      height: 38px;
      border-radius: 13px;
      display: grid;
      place-items: center;
      background: var(--cheese);
      color: #54391c;
      font-weight: 900;
    }

    .step-list strong {
      display: block;
      color: var(--brown);
      margin-bottom: 3px;
    }

    .step-list span {
      color: var(--muted);
      font-size: 14px;
    }

    .service-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .service-card {
      padding: 20px;
      min-height: 152px;
      border-radius: 24px;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid var(--line);
      box-shadow: 0 12px 28px rgba(121, 86, 35, 0.07);
      transition: transform 0.22s ease, box-shadow 0.22s ease;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 38px rgba(121, 86, 35, 0.13);
    }

    .service-icon {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: #fff0ba;
      display: grid;
      place-items: center;
      color: #6a4724;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .service-card h3 {
      margin: 0 0 6px;
      color: var(--brown);
      font-size: 18px;
    }

    .service-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .solution-wrap {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
      gap: 20px;
      align-items: start;
    }

    .solution-list {
      display: grid;
      gap: 14px;
    }

    .solution-item {
      padding: 20px;
      border-radius: 24px;
      background: #fffef8;
      border: 1px solid var(--line);
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 16px;
      align-items: center;
      box-shadow: 0 12px 30px rgba(121, 86, 35, 0.07);
    }

    .solution-item h3 {
      margin: 0 0 6px;
      color: var(--brown);
      font-size: 18px;
    }

    .solution-item p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 8px 11px;
      border-radius: 999px;
      background: #fff0ba;
      color: #614323;
      font-size: 13px;
      font-weight: 800;
      white-space: nowrap;
    }

    .store-card {
      padding: 24px;
      border-radius: var(--radius-lg);
      background: linear-gradient(160deg, #fff0ba, #ffffff 62%);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .store-card h3 {
      margin: 0 0 14px;
      color: var(--brown);
    }

    .store-info {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
      color: #5d4d3d;
    }

    .store-info li {
      padding: 11px 12px;
      border-radius: 15px;
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid rgba(240, 223, 189, 0.78);
    }

    .store-info strong {
      color: var(--brown);
    }

    .map-link {
      display: inline-flex;
      margin-top: 14px;
      min-height: 44px;
      align-items: center;
      justify-content: center;
      padding: 10px 16px;
      border-radius: 14px;
      background: #6f8f5f;
      color: #ffffff;
      font-weight: 800;
    }

    .warranty-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .warranty-card {
      padding: 20px;
      border-radius: 24px;
      background: rgba(255, 255, 255, 0.8);
      border: 1px solid var(--line);
    }

    .warranty-card h3 {
      margin: 0 0 8px;
      color: var(--brown);
      font-size: 18px;
    }

    .warranty-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .contact-panel {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(260px, 0.42fr);
      gap: 20px;
      align-items: stretch;
      padding: 22px;
      border-radius: 32px;
      background: linear-gradient(135deg, #fffef8, #fff0ba);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .contact-copy h2 {
      margin-top: 0;
      color: var(--brown);
    }

    .contact-copy p {
      color: var(--muted);
    }

    .contact-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 18px;
    }

    .qr-box {
      display: grid;
      place-items: center;
      text-align: center;
      padding: 18px;
      border-radius: 24px;
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(240, 223, 189, 0.9);
    }

    .qr-box img {
      width: min(190px, 100%);
      border-radius: 18px;
      background: #ffffff;
      padding: 8px;
      border: 1px solid var(--line);
    }

    .qr-box strong {
      margin-top: 10px;
      color: var(--brown);
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border: 1px solid var(--line);
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.82);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      border: 0;
      background: transparent;
      color: var(--brown);
      padding: 18px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      text-align: left;
      font: inherit;
      font-weight: 850;
      cursor: pointer;
      min-height: 58px;
    }

    .faq-question span:last-child {
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: #fff0ba;
      display: grid;
      place-items: center;
      transition: transform 0.2s ease;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.28s ease;
    }

    .faq-answer p {
      margin: 0;
      padding: 0 20px 18px;
      color: var(--muted);
    }

    .faq-item.active .faq-answer {
      max-height: 220px;
    }

    .faq-item.active .faq-question span:last-child {
      transform: rotate(45deg);
    }

    .links-panel {
      padding: 22px;
      border-radius: 28px;
      background: rgba(255, 255, 255, 0.75);
      border: 1px solid var(--line);
    }

    .links-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
    }

    .links-grid a {
      padding: 12px 14px;
      border-radius: 15px;
      background: #fff8e8;
      color: #60472d;
      font-size: 14px;
      font-weight: 700;
      border: 1px solid rgba(240, 223, 189, 0.75);
      transition: background 0.2s ease, transform 0.2s ease;
    }

    .links-grid a:hover {
      background: #ffe7a8;
      transform: translateY(-2px);
    }

    .summary {
      padding: 26px;
      border-radius: 30px;
      background: linear-gradient(135deg, #513b25, #76532f);
      color: #fff8e8;
      box-shadow: 0 20px 46px rgba(81, 59, 37, 0.22);
    }

    .summary h2 {
      margin: 0 0 10px;
      color: #fff8e8;
    }

    .summary p {
      margin: 0;
      color: #fff2d4;
    }

    .site-footer {
      margin-top: 8px;
      background: #fff4d1;
      color: #4d3a26;
      border-top: 1px solid var(--line);
    }

    .footer-inner {
      padding: 24px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    .footer-links a {
      color: #4d3a26;
      font-weight: 700;
    }

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity 0.55s ease, transform 0.55s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    @keyframes floatIn {
      from {
        opacity: 0;
        transform: translateY(18px) scale(0.98);
      }
      to {
        opacity: 1;
        transform: translateY(0) scale(1);
      }
    }

    @media (max-width: 980px) {
      .nav-links,
      .nav-cta {
        display: none;
      }

      .menu-toggle {
        display: grid;
        place-items: center;
      }

      .mobile-menu {
        display: none;
        padding: 0 0 16px;
      }

      .mobile-menu.open {
        display: grid;
        gap: 8px;
      }

      .mobile-menu a {
        min-height: 46px;
        display: flex;
        align-items: center;
        padding: 10px 14px;
        border-radius: 15px;
        background: rgba(255, 255, 255, 0.78);
        border: 1px solid var(--line);
        color: var(--brown);
        font-weight: 800;
      }

      .hero-grid,
      .answer-panel,
      .solution-wrap,
      .contact-panel {
        grid-template-columns: 1fr;
      }

      .service-grid,
      .warranty-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .toc {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      .links-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (min-width: 981px) {
      .mobile-menu {
        display: none;
      }
    }

    @media (max-width: 640px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      .hero {
        padding-top: 34px;
      }

      .section {
        padding: 34px 0;
      }

      .hero-note,
      .service-grid,
      .warranty-grid,
      .toc,
      .links-grid {
        grid-template-columns: 1fr;
      }

      .section-head {
        display: block;
      }

      .solution-item {
        grid-template-columns: 1fr;
      }

      .tag {
        justify-self: start;
      }

      .footer-inner {
        align-items: flex-start;
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .hero-actions,
      .contact-actions {
        width: 100%;
      }
    }